28104804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 91483392

約数和(自身を除く): 63378588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 36, 39, 42, 46, 52, 63, 69, 78, 84, 91, 92, 117, 126, 138, 156, 161, 182, 207, 234, 252, 273, 276, 299, 322, 364, 373, 414, 468, 483, 546, 598, 644, 746, 819, 828, 897, 966, 1092, 1119, 1196, 1449, 1492, 1638, 1794, 1932, 2093, 2238, 2611, 2691, 2898, 3276, 3357, 3588, 4186, 4476, 4849, 5222, 5382, 5796, 6279, 6714, 7833, 8372, 8579, 9698, 10444, 10764, 12558, 13428, 14547, 15666, 17158, 18837, 19396, 23499, 25116, 25737, 29094, 31332, 33943, 34316, 37674, 43641, 46998, 51474, 58188, 60053, 67886, 75348, 77211, 87282, 93996, 101829, 102948, 111527, 120106, 135772, 154422, 174564, 180159, 203658, 223054, 240212, 305487, 308844, 334581, 360318, 407316, 446108, 540477, 610974, 669162, 720636, 780689, 1003743, 1080954, 1221948, 1338324, 1561378, 2007486, 2161908, 2342067, 3122756, 4014972, 4684134, 7026201, 9368268, 14052402, 28104804]

約数ペア:

[(1, 28104804), (2, 14052402), (3, 9368268), (4, 7026201), (6, 4684134), (7, 4014972), (9, 3122756), (12, 2342067), (13, 2161908), (14, 2007486), (18, 1561378), (21, 1338324), (23, 1221948), (26, 1080954), (28, 1003743), (36, 780689), (39, 720636), (42, 669162), (46, 610974), (52, 540477), (63, 446108), (69, 407316), (78, 360318), (84, 334581), (91, 308844), (92, 305487), (117, 240212), (126, 223054), (138, 203658), (156, 180159), (161, 174564), (182, 154422), (207, 135772), (234, 120106), (252, 111527), (273, 102948), (276, 101829), (299, 93996), (322, 87282), (364, 77211), (373, 75348), (414, 67886), (468, 60053), (483, 58188), (546, 51474), (598, 46998), (644, 43641), (746, 37674), (819, 34316), (828, 33943), (897, 31332), (966, 29094), (1092, 25737), (1119, 25116), (1196, 23499), (1449, 19396), (1492, 18837), (1638, 17158), (1794, 15666), (1932, 14547), (2093, 13428), (2238, 12558), (2611, 10764), (2691, 10444), (2898, 9698), (3276, 8579), (3357, 8372), (3588, 7833), (4186, 6714), (4476, 6279), (4849, 5796), (5222, 5382)]